| public ResetDevice ( int width, int height ) : void | ||
| width | int | |
| height | int | |
| return | void | |
void CompositionTarget_Rendering(object sender, EventArgs e)
{
// If we've captured the mouse, reset the cursor back to the captured position
if (isMouseCaptured &&
(int)mouseState.Position.X != capturedMouseX &&
(int)mouseState.Position.Y != capturedMouseY)
{
NativeMethods.SetCursorPos(capturedMouseX, capturedMouseY);
mouseState.Position = mouseState.PreviousPosition = new Point(capturedMouseClientX, capturedMouseClientY);
}
// If we have no graphics service, we can't draw
if (graphicsService == null)
{
return;
}
// Get the current width and height of the control
int width = (int)ActualWidth;
int height = (int)ActualHeight;
// If the control has no width or no height, skip drawing since it's not visible
if (width < 1 || height < 1)
{
return;
}
// Create the active viewport to which we'll render our content
Viewport viewport = new Viewport(0, 0, width, height);
graphicsService.GraphicsDevice.Viewport = viewport;
// Invoke the event to render this control
if (RenderXna != null)
{
RenderXna(this, new GraphicsDeviceEventArgs(graphicsService.GraphicsDevice));
}
// If lost control of graphics device, skip rendering
if (graphicsService.GraphicsDevice.GraphicsDeviceStatus == GraphicsDeviceStatus.Lost)
{
graphicsService.ResetDevice(width, height);
return;
}
if (graphicsService.GraphicsDevice.GraphicsDeviceStatus == GraphicsDeviceStatus.NotReset)
{
graphicsService.ResetDevice(width, height);
return;
}
// Present to the screen, but only use the visible area of the back buffer
if (graphicsService.GraphicsDevice.GraphicsDeviceStatus == GraphicsDeviceStatus.Normal)
{
GraphicsService.GraphicsDevice.Present();
}
//graphicsService.GraphicsDevice.Present(viewport.Bounds, null, hWnd);
}